Pith Number

pith:4KFOVT2T

pith:2018:4KFOVT2TKYHOJ3ZR76K4MWRU6B

not attested not anchored not stored refs pending

Uncertainty relation based on Wigner-Yanase-Dyson skew information with quantum memory

Jun Li, Shao-Ming Fei

arxiv:1802.08488 v1 · 2018-02-23 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KFOVT2TKYHOJ3ZR76K4MWRU6B}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:22:43.604526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e28aeacf53560ee4ef31ff95c65a34f06bd7549603d5f114039fb93aee637a0b

Aliases

arxiv: 1802.08488 · arxiv_version: 1802.08488v1 · doi: 10.48550/arxiv.1802.08488 · pith_short_12: 4KFOVT2TKYHO · pith_short_16: 4KFOVT2TKYHOJ3ZR · pith_short_8: 4KFOVT2T

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/4KFOVT2TKYHOJ3ZR76K4MWRU6B \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e28aeacf53560ee4ef31ff95c65a34f06bd7549603d5f114039fb93aee637a0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23292943a451bf7da8534343bb422c458dd34bd4df4a64975e2fe2d19ac35089",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-02-23T11:35:05Z",
    "title_canon_sha256": "f11d888df14f81d393f3d114c7b7fb0f0126717b9c73a9d7b4bfb19fed122409"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08488",
    "kind": "arxiv",
    "version": 1
  }
}